28540824

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5381}}^1$

素因数の和:5420

約数の個数: 64

約数和(自身を含む): 81375840

約数和(自身を除く): 52835016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 5304, 5381, 10762, 16143, 21524, 32286, 43048, 64572, 69953, 91477, 129144, 139906, 182954, 209859, 274431, 279812, 365908, 419718, 548862, 559624, 731816, 839436, 1097724, 1189201, 1678872, 2195448, 2378402, 3567603, 4756804, 7135206, 9513608, 14270412, 28540824]

約数ペア:

[(1, 28540824), (2, 14270412), (3, 9513608), (4, 7135206), (6, 4756804), (8, 3567603), (12, 2378402), (13, 2195448), (17, 1678872), (24, 1189201), (26, 1097724), (34, 839436), (39, 731816), (51, 559624), (52, 548862), (68, 419718), (78, 365908), (102, 279812), (104, 274431), (136, 209859), (156, 182954), (204, 139906), (221, 129144), (312, 91477), (408, 69953), (442, 64572), (663, 43048), (884, 32286), (1326, 21524), (1768, 16143), (2652, 10762), (5304, 5381)]